ABOUT THE ARIZER ARGO STEM CAP 4 PACK

The Arizer ArGo Stem Cap 4 Pack stem caps are designed to fit around the ends of the Arizer ArGo's glass stems. They prevent the vapor from escaping and staining the surrounding surface. The Stem Caps are made with high quality, food/medical grade, heat-rated silicone. These caps are compatible with the Arizer Argo glass tubes.